commit 5a57ade58ec5bee85db41b8ce1340ff077781b65
author Serhiy Storchaka <storchaka@gmail.com> Thu Dec 24 10:35:59 2015 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Thu Dec 24 10:35:59 2015 +0200
tree 2f8cf61efba46284b2d4437916bc3469d23c0ce3
parent a198645fa0f9a9c6183c211955083765dc8ab3a8

Issue #20440: Massive replacing unsafe attribute setting code with special
macro Py_SETREF.

Modules/zipimport.c

diff --git a/Modules/zipimport.c b/Modules/zipimport.c
index 06abb31..7220faf 100644
--- a/Modules/zipimport.c
+++ b/Modules/zipimport.c
@@ -155,8 +155,7 @@
             tmp = PyUnicode_FromFormat("%U%c", self->prefix, SEP);
             if (tmp == NULL)
                 goto error;
-            Py_DECREF(self->prefix);
-            self->prefix = tmp;
+            Py_SETREF(self->prefix, tmp);
         }
     }
     else